Home / 529,848-731,193.70-288,133.20

Finding the Fourth Proportional to 529,848, 731,193.70 and 288,133.20

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Solution

The fourth proportional to 529,848, 731,193.70 and 288,133.20 is: 397,625.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,848 : 731,193.70 = 288,133.20 : x
  2. Step 2: Convert to fraction form
    529,848/731,193.70 = 288,133.20/x
  3. Step 3: Cross multiply
    529,848x = 731,193.70 × 288,133.20
  4. Step 4: Simplify right side
    529,848x = 210,681,180,600.84
  5. Step 5: Solve for x
    x = 210,681,180,600.84/529,848
  6. Step 6: Final answer
    x = 397,625.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.